the Rubicon
noun
: a limit or point that is reached when the results of one's actions cannot be changed
Once you've crossed the Rubicon there's no going back.
Cite this Entry
“The Rubicon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Rubicon. Accessed 6 Dec. 2025.
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